#
# Copyright 2020 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
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# limitations under the License.

# Testing application of a recursive predicate as a functor.
@Engine("sqlite");

Closure(a, b) distinct :- R(a, b);
Closure(a, b) distinct :- Closure(a, x), Closure(x, b);

Parent("A", "B");
Parent("B", "C");
Parent("C", "D");
Parent("B", "E");

Test := Closure(R: Parent);


